default = [];
description = "Keys to upload to server";
};
+ gpgKeys = lib.mkOption {
+ type = lib.types.listOf lib.types.path;
+ default = [];
+ description = "GPG public keys files to encrypt to";
+ };
+ ageKeys = lib.mkOption {
+ type = lib.types.listOf lib.types.str;
+ default = [];
+ description = "AGE keys to encrypt to";
+ };
+ decryptKey = lib.mkOption {
+ type = lib.types.str;
+ default = "/etc/ssh/ssh_host_ed25519_key";
+ description = "ed25519 key used to decrypt with AGE";
+ };
location = lib.mkOption {
type = lib.types.path;
default = "/var/secrets";
description = "Location where to put the keys";
};
+ secretsVars = lib.mkOption {
+ type = lib.types.path;
+ default = "/run/keys/vars.yml";
+ description = "Location where the secrets variables are defined, to be used to fill the templates in secrets";
+ };
+ deleteSecretsVars = lib.mkOption {
+ type = lib.types.bool;
+ default = false;
+ description = "Delete secrets file after deployment";
+ };
# Read-only variables
fullPaths = lib.mkOption {
type = lib.types.attrsOf lib.types.path;
location = config.secrets.location;
keys = config.secrets.keys;
empty = pkgs.runCommand "empty" { preferLocalBuild = true; } "mkdir -p $out && touch $out/done";
+ fpath = v: "secrets/${v.dest}${lib.optionalString (v.isTemplated or true) ".gucci.tpl"}";
dumpKey = v: ''
mkdir -p secrets/$(dirname ${v.dest})
- echo -n ${lib.strings.escapeShellArg v.text} > secrets/${v.dest}
+ echo -n ${lib.strings.escapeShellArg v.text} > ${fpath v}
cat >> mods <<EOF
- ${v.user or "root"} ${v.group or "root"} ${v.permissions or "0600"} secrets/${v.dest}
+ ${v.user or "root"} ${v.group or "root"} ${v.permissions or "0600"} ${fpath v}
EOF
'';
- secrets = pkgs.runCommand "secrets.tar" {} ''
+ secrets = pkgs.runCommand "secrets.tar.enc" {
+ buildInputs = [ pkgs.gnupg pkgs.sops ];
+ } ''
touch mods
tar --format=ustar --mtime='1970-01-01' -P --transform="s@${empty}@secrets@" -cf $out ${empty}/done
${builtins.concatStringsSep "\n" (map dumpKey keys)}
cat mods | while read u g p k; do
tar --format=ustar --mtime='1970-01-01' --owner="$u" --group="$g" --mode="$p" --append -f $out "$k"
done
+ export HOME=$(pwd)
+ fingerprints=
+ for key in ${builtins.concatStringsSep " " config.secrets.gpgKeys}; do
+ gpg --import $key 2>/dev/null
+ fingerprints=$fingerprints,$(cat $key | gpg --with-colons --import-options show-only --import 2>/dev/null | grep ^fpr | cut -d: -f10 | head -n1)
+ done
+
+ sops --age ${builtins.concatStringsSep "," config.secrets.ageKeys} --pgp ''${fingerprints#,} --input-type binary -i -e $out 2>/dev/null
'';
in lib.mkIf (builtins.length keys > 0) {
system.activationScripts.secrets = {
deps = [ "users" "wrappers" ];
text = ''
install -m0750 -o root -g keys -d ${location}
- if [ -f /run/keys/secrets.tar ]; then
- if [ ! -f ${location}/currentSecrets ] || ! sha512sum -c --status "${location}/currentSecrets"; then
- echo "rebuilding secrets"
- TMP=$(${pkgs.coreutils}/bin/mktemp -d)
- if [ -n "$TMP" ]; then
- install -m0750 -o root -g keys -d $TMP
- ${pkgs.gnutar}/bin/tar --strip-components 1 -C $TMP -xf /run/keys/secrets.tar
- sha512sum /run/keys/secrets.tar > $TMP/currentSecrets
- find $TMP -type d -exec chown root:keys {} \; -exec chmod o-rx {} \;
- ${pkgs.rsync}/bin/rsync -O -c -av --delete $TMP/ ${location}
- rm -rf $TMP
- fi
+ TMP=$(${pkgs.coreutils}/bin/mktemp -d)
+ TMPWORK=$(${pkgs.coreutils}/bin/mktemp -d)
+ chmod go-rwx $TMPWORK
+ if [ -n "$TMP" -a -n "$TMPWORK" ]; then
+ install -m0750 -o root -g keys -d $TMP
+ ${pkgs.ssh-to-age}/bin/ssh-to-age -private-key -i ${config.secrets.decryptKey} -o $TMPWORK/keys.txt
+ SOPS_AGE_KEY_FILE=$TMPWORK/keys.txt ${pkgs.sops}/bin/sops -d ${secrets} | ${pkgs.gnutar}/bin/tar --strip-components 1 -C $TMP -x
+ if [ -f ${config.secrets.secretsVars} ]; then
+ SOPS_AGE_KEY_FILE=$TMPWORK/keys.txt ${pkgs.sops}/bin/sops -d ${config.secrets.secretsVars} > $TMPWORK/vars.yml
fi
+ if [ -f $TMPWORK/vars.yml ]; then
+ find $TMP -name "*.gucci.tpl" -exec \
+ /bin/sh -c 'f="{}"; ${pkgs.gucci}/bin/gucci -f '$TMPWORK'/vars.yml "$f" > "''${f%.gucci.tpl}"; touch --reference "$f" ''${f%.gucci.tpl} ; chmod --reference="$f" ''${f%.gucci.tpl} ; chown --reference="$f" ''${f%.gucci.tpl}' \;
+ fi
+ find $TMP -type d -exec chown root:keys {} \; -exec chmod o-rx {} \;
+ ${pkgs.rsync}/bin/rsync --exclude="*.gucci.tpl" -O -c -av --delete $TMP/ ${location}
+ rm -rf $TMP $TMPWORK ${lib.optionalString config.secrets.deleteSecretsVars config.secrets.secretsVars}
fi
'';
};
- system.extraDependencies = [ secrets ];
- deployment.secrets."secrets.tar" = {
- source = "${secrets}";
- destination = "/run/keys/secrets.tar";
+
+ deployment.secrets."secret_vars.yml" = {
+ source = builtins.toString ../nixops/secrets/vars.yml;
+ destination = config.secrets.secretsVars;
owner.user = "root";
owner.group = "root";
permissions = "0400";
- };
+ };
};
}